Can a Tribe appeal a denial?

Yes. Tribes may appeal the denial of a design exception to: FHWA Office of Federal Lands Highway, 1200 New Jersey Ave. SE., HFL-1, Washington, DC 20590. If FHWA denies a design exception, the Tribe may appeal the decision Office of the FHWA Administrator, 1200 New Jersey Ave. SE., HOA-1, Washington, DC 20590.